Global Patent Index - EP 2822095 A1

EP 2822095 A1 20150107 - Antenna with fifty percent overlapped subarrays

Title (en)

Antenna with fifty percent overlapped subarrays

Title (de)

Antenne mit zu 50 Prozent überlappenden Subarrays

Title (fr)

Antenne avec sous-réseaux se chevauchant à cinquante pour cent

Publication

EP 2822095 A1 20150107 (EN)

Application

EP 14171586 A 20140606

Priority

US 201313925227 A 20130624

Abstract (en)

An antenna (10) suitable for use as a phased array antenna of a radar system. The antenna (10) includes a plurality of radiating elements (12), and a substrate (14) integrated waveguide (SIW) configured to form a feed network (16) to couple energy from a plurality of inputs (18) to the radiating elements (12). The feed network (16) includes over-moded waveguide couplers configured so energy propagates through an over-moded section in multiple modes, TE10 and TE20 modes for example. The feed network (16) also defines sub-arrays configured such that half of the radiators of a sub-group (22A) are shared with an adjacent sub-group (22A) of an adjacent sub-array (20A), i.e. the sub-arrays are configured to have 50% overlap. Preferably, the feed-network is formed about a single layer of substrate (14) material.

IPC 8 full level

H01Q 13/20 (2006.01); H01Q 21/00 (2006.01); H01Q 21/22 (2006.01)

CPC (source: EP US)

H01Q 13/206 (2013.01 - EP US); H01Q 21/0037 (2013.01 - EP US); H01Q 21/0068 (2013.01 - EP US); H01Q 21/068 (2013.01 - EP US); H01Q 21/22 (2013.01 - EP US)

Citation (applicant)

Citation (search report)

  • [AD] EP 2071670 A1 20090617 - DELPHI TECH INC [US]
  • [A] GB 2034525 A 19800604 - MARCONI CO LTD
  • [A] J.S. HERD ET AL: "Design considerations and results for an overlapped subarray radar antenna", 2005 IEEE AEROSPACE CONFERENCE, 1 January 2005 (2005-01-01), pages 1087 - 1092, XP055155763, ISBN: 978-0-78-038870-3, DOI: 10.1109/AERO.2005.1559399

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2822095 A1 20150107; EP 2822095 B1 20160217; US 2014375525 A1 20141225; US 9190739 B2 20151117

DOCDB simple family (application)

EP 14171586 A 20140606; US 201313925227 A 20130624